Frodo, a Hobbit, is introduced in The Fellowship of the Ring as the son of Drogo Baggins and Primula Brandybuck. At the age of twelve, Frodo lost both his parents in a boating accident, and was taken in by his mother's family, the Brandybuck clan. At twenty-one, Frodo was adopted by Bilbo Baggins, whom he thought of as his uncle (though Frodo was actually his first and second cousin once removed). The bachelor Bilbo chose Frodo as his adoptive heir, and brought him to live with him at Bag End. The two shared the same birthday (22 September). During the next twelve years, Bilbo taught Frodo much of the Elvish language, and they often took long walking trips together.

The Fellowship of the Ring opens as Frodo came of age and Bilbo left the Shire for good on his eleventy-first (111th) birthday. Frodo inherited Bag End and Bilbo's magic ring that was introduced in The Hobbit. Gandalf, at this time, was not certain about the origin of the Ring, so he warned Frodo to avoid using it and to keep it secret. Frodo kept the Ring hidden for seventeen years, until Gandalf returned to tell him that it was the One Ring of the Dark Lord, Sauron, who lacked only this to become all-powerful again and to be able to establish a virtually unending rule of darkness over Middle-earth.

Realizing that he was a danger to the Shire as long as he remained there with the Ring, Frodo decided to leave his home and take the Ring to Rivendell, home of Elrond, a mighty Elf lord. He sold his beloved Bag End, and left the Shire with three companions: his gardener Samwise Gamgee and his cousins Meriadoc Brandybuck and Peregrin Took. They escaped just in time, for Sauron's most powerful servants, the Nine Nazgul, had entered the Shire as Black Riders, looking for Bilbo and the Ring. They followed Frodo's trail across the Shire and nearly intercepted him.

At the Inn of the Prancing Pony in the village of Bree, Frodo met Aragorn, a Ranger of the North, who became the hobbits' guide while journeying through the wilderness towards Rivendell. The One Ring slipped onto Frodo's finger inadvertently in the Prancing Pony's common room, turning Frodo invisible. This attracted the attention of Sauron's agents, who ransacked the hobbits' rooms in the night. The group, under Aragorn's guidance, quickly fled through the Midgewater Marshes and again escaped the Black Riders.

While encamped at Amon Sul, they were found and attacked by five Ringwraiths. The chief of the Nazgul, known as the Witch-king of Angmar, stabbed Frodo with a Morgul-blade, before all five were routed by Aragorn. A piece of this blade remained in his shoulder and, working its way towards his heart, threatened to turn him into a wraith under the control of the Witch-king. With the help of his companions and Glorfindel, Frodo was able to evade the remaining Ringwraiths and reach Rivendell. Although almost overcome by his wound, once there he was healed over time by Elrond; although it was said and later seen that the wound would never completely heal, as it was as much spiritual as physical.

In Rivendell, the Council of Elrond met and resolved to destroy the Ring by casting it into Mount Doom in Mordor, the realm of Sauron. Frodo, realizing that he was destined for this task, stepped forward to be the Ring-bearer. A Fellowship of nine companions was formed to guide and protect him and together they set out from Rivendell. Frodo was armed with Sting, Bilbo's Elvish short sword, and wore Bilbo's coat of Dwarven mail made of mithril, which saved his life when he was stabbed by an Orc-spear in Moria. The company, seeking a way over the Misty Mountains, first tried the Pass of Caradhras but then abandoned it in favour of the mines of Moria. They were led by Gandalf, until he fell in Moria battling a Balrog, and then by Aragorn. Frodo and many others were heartbroken by Gandalf's apparent demise as the company reached Lothlorien. There Galadriel, the Lady of the Woods, gave him an Elven cloak and a phial carrying the Light of Earendil to aid him on his quest.

Having then travelled some miles down the Anduin by boat, the Fellowship reached Parth Galen. There Boromir, having fallen to the lure of the Ring, tried to take it by force from Frodo. Frodo escaped only by donning the Ring, rendering him invisible. This was therefore the breaking of the Fellowship; Boromir was later slain defending Merry and Pippin from invading Orcs, who captured the two hobbits. Aragorn, Gimli and Legolas gave him a hero's funeral before setting out after them. Frodo chose to continue the quest alone, but Sam followed his master, joining him on the journey to Mordor.

In The Two Towers Frodo and Sam made their way through Emyn Muil, followed by the creature Gollum, who had been tracking the Fellowship since Moria. He sought to reclaim the Ring he had possessed for centuries. After Gollum attacked the hobbits Frodo subdued him with Sting. He then took pity on him, and made the decision to spare his life (just as Bilbo had once done), instead binding him to a promise to help the hobbits. Frodo demanded he guide them through the Dead Marshes to the Black Gate, which Gollum did. It was then that he mentioned that there was "another way" into Mordor, and Frodo, over Sam's objections, allowed Gollum to lead them south into Ithilien. It was there that Frodo and Sam saw an Oliphaunt with a company of Haradrim. They met the Ranger Faramir, who took them to Henneth Annun. There Frodo allowed Gollum to be captured by Faramir, an act which in fact saved his life, but left Gollum feeling betrayed by his "master". After giving them provisions, Faramir allowed the two hobbits and Gollum to go on their way, but warned Frodo about Gollum's treacherous nature.

The three of them passed near to Minas Morgul, where Frodo felt the pull of the Ring almost unbearably. After hiding they witnessed a great Orc army leave under the command of the Witch-king. They began the long climb up the Endless Stair, and then at the top entered the tunnel, not knowing it was the home of Shelob. Gollum, having never actually said whether the pass was inhabited or not, hoped to deliver the hobbits to her and retake the Ring from her leavings. Shelob stung Frodo, sedating him, but she was driven off by Sam using Sting and the Phial of Galadriel. After attempting unsuccessfully to wake Frodo, Sam concluded that he was dead. He took the Ring from him in order to continue the quest. However, Orcs from Cirith Ungol soon found Frodo's body and knew that he was only paralysed, not dead. Planning to interrogate him after his awakening, they carried him into to the tower at the head of the pass.

In The Return of the King Sam rescued Frodo from the Orcs of Cirith Ungol, and restored to him Sting and the Ring. Frodo, who had woken naked in the tower and assumed the Orcs had taken the Ring to Sauron, was enormously relieved. The two of them, dressed in scavenged Orc-armour, set off for Mount Doom, trailed by Gollum. They witnessed the plains of Gorgoroth empty as a result of the Armies of the West, which helped them greatly. However, at one point they only just managed to escape being drafted into an Orc-band by the Orcs of Mordor. With the Ring getting closer to its creator Frodo became progressively weaker as its influence grew. The hobbits' water ran out and they ditched all of their unnecessary items such as frying pans. When they finally reached the summit of the fiery mountain, Gollum reappeared and attacked Frodo, who beat him back. He continued on while Sam fought with Gollum. Having finally reached the Sammath Naur, or Crack of Doom, Frodo found himself unable to destroy the Ring, instead putting it on and claiming it for himself. Gollum got past Sam and attacked the invisible Frodo, biting off his finger, and finally regained his "precious". As he danced around in elation, Gollum lost his balance and fell with the Ring into the fire. The Ring was thus destroyed, Sauron's power lost and his realm ended. Frodo and Sam were rescued by Great Eagles as Mount Doom erupted.

After reuniting with the Fellowship and attending Aragorn's coronation, the four hobbits returned to the Shire to find it had been taken over by a gang of ruffians. Led initially by Frodo's cousin, Lotho Sackville-Baggins, and then by the fallen wizard Saruman, they had terrorised the Shire. The four travellers roused their fellow hobbits and led them in driving the ruffians out. There they witnessed the deaths of both Saruman and Grima. Frodo's part in the fighting was mainly to ensure that the ruffians who surrendered were not killed.

Frodo never completely recovered from the physical, emotional and psychological wounds he suffered during the War of the Ring. He was taken ill on the anniversaries of his wounding on Weathertop and his poisoning by Shelob. He briefly served as Deputy Mayor of the Shire, but spent most of his time writing the tale of his travels. Two years after the Ring was destroyed, Frodo and Bilbo as Ring-bearers were granted passage to Valinor - where Frodo might find peace. They boarded a ship at the Grey Havens and together with Gandalf, Elrond and Galadriel, the Keepers of the Three Rings, they passed over the sea and departed Middle-earth. Having no children of his own Frodo left his estate, along with the Red Book of Westmarch, to Sam.

Source | Wikipedia